President Jack Ryan faces an old challenge with a terrifying new twist in this thrilling novel in the #1 New York Times bestselling series. A North Korean ICBM crashes into the Sea of Japan. A veteran CIA officer is murdered in Ho Chi Minh City, and a package of forged documents goes missing. The pieces are there, but assembling the puzzle will cost Jack Ryan, Jr., and his fellow Campus agents precious time. Time they don’t have.